Unwind and rewind guiding
Abstract
Lateral control of a web through a process line involves the use of web guides and control systems at different points in the process. There are three general areas for guiding. Guides are typically located at the terminal ends of the process and in the process section. Guides located at the terminal ends are referred to as unwind and rewind, uncoil and recoil, payoff and tension reel, and other terms that may be specific to certain industries. In between the terminal guides is the process section. Guides in this section are referred to as intermediate guides. This paper concerns the practical application of terminal guides (unwind and rewind), the control system loop, the control system types, sensor configurations, sensor locations, and response of the system and equipment.
Citation
Hopcus, K. I. (1993, June). Unwind and rewind guiding. Paper presented at the Second International Conference on Web Handling (IWEB), Stillwater, OK.